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see aboveHi techno , that looks like the one but I see the name Jokon on that one but there is no name on mine . I will have a look at Jokon site to see if I can get one .
My experience too I have new spares only because the old ones were not FUBAR'dChances are that it is a bad connection somewhere. They are LEDs and whenever I have had one go out it's been a dodgy connection and the actual light has been OK. .